Winsor & Newton Cotman Water Colours - 20 X 5Ml TubesWinsor & Newton Cotman Water Colours 20 x 5ml Tubes Winsor and Newton Cotman Water Colours are a range of water colours that are made to Winsor & Newton's high quality standards, but costs are reduced by substituting traditional pigments with less expensive modern pigments. The range offers excellent lightfastness, good tinting strength, good transparency and true optical working properties. Cotman Water Colours come in 40 beautiful tones. They're